John Mayer's opinion of Fifth Harmony without Camila Cabello

John Mayer took to Instagram Live to share his thoughts on Camila Cabello not being in Fifth Harmony and how their sound has changed following her exit in December 2016

John Mayer doesn't think Fifth Harmony works without Camila Cabello.

The 39-year-old guitarist took to Instagram Live to share his thoughts on his ex-girlfriend's departure from the girl group - comprised of Ally Brooke, Normani Kordei, Dinah Jane and Lauren Jauregui - and even suggested what the 'Work from Home' hitmakers would sound like if he were to join them.

Going through notes on the keyboard, he explained: "So I like Fifth Harmony, but then Camila left the band and now it's just this. Do you see what I'm saying? They need this. All they have is this. So they need to get this.

"If you really wanted to add me, you get this. And that is one too many notes. Point being ... hi Camila."

It's not the first time the 'Gravity' hitmaker has spoken about the 20-year-old beauty's exit.

In January, he wrote: "Fifth Harmony is a talented group of young ladies."

And said that Lauren, 20, will be the next big star.

At the time, he wrote: "Lauren feels like the next star."

And the girls even Photoshopped an image of the four of them with Mayer.